beautypg.com

Troubleshooting, Problems and solutions, Error messages – Kenwood DNN770HD User Manual

Page 78: Troubleshooting 154, Problems and solutions error messages, Roubleshooting

background image

154

155

Return to the Top page

Troubleshooting

Return to the Top page

Troubleshooting

Problems and Solutions

If any trouble occurs, first check the following table for possible problems.
• Some functions of this unit may be disabled by some settings made on this unit.
• What might seem to be a malfunction in your unit may just be the result of slight misoperation

or miswiring.

Ñ

About settings

Problem

Reason

Solution

• Cannot set up the subwoofer.
• Cannot set up subwoofer phase.
• No output from the subwoofer.
• Cannot set up the low pass filter.
• Cannot set up the high pass

filter.

Subwoofer is not set
to on.

Set the subwoofer to on.
See

Speaker setup (P.139)

.

The dual zone function
is enabled.

Set the dual zone function to off.
See

Zone Control (P.147)

.

• Cannot select the output

destination of the subsource in
the dual zone.

• Cannot adjust the volume of the

rear speakers.

The dual zone function
is disabled.

Set the dual zone function to on.
See

Zone Control (P.147)

.

• Cannot set up the equalizer.
• Cannot set up the crossover

network.

The dual zone function
is enabled.

Set the dual zone function to off.
See

Zone Control (P.147)

.

“DSP Select” is set to
“Bypass”.

Set “DSP Select” to “Through”.
See

DSP select (P.141)

.

Ñ

About audio operations

Problem

Reason

Solution

Radio reception is poor.

The car antenna is not
extended.

Pull out the antenna all the way.

The antenna control
wire is not connected.

Connect the wire correctly.
See “Connection” in the Quick Start Guide.

Cannot play audio files stored in
a disc.

“CD Read” is set to “2”.

Set “CD Read” to “1”.
See

Disc setup (P.65)

.

Cannot select a folder.

The random play
function is enabled.

Turn off the random function.

Cannot perform repeat play
during VCD playback.

The PBC function is
enabled.

Turn off the PBC function.

The specified disc does not play,
but another one plays instead.

The disc is quite dirty.

Clean the disc.
See

Precautions on handling discs

(P.4)

.

The disc is severely
scratched.

Try another disc instead.

ñ

T

roubleshooting

Problem

Reason

Solution

The sound skips when an audio
file is being played.

The disc is scratched
or dirty.

Clean the disc.
See

Precautions on handling discs

(P.4)

.

The recording
condition is bad.

Record the file again or use another disc.

Ñ

Other

Problem

Reason

Solution

The Touch Sensor Tone doesn’t
sound.

The preout jack is being
used.

The Touch Sensor Tone cannot be output
from the preout jack.

Error Messages

When you fail to operate the unit correctly, the cause of the failure appears as the message on

the screen.

Error Message

Cause

Solution

Protect

Protective circuit has been activated
because a speaker cord has shorted
or it has come in contact with the
car chassis.

Wire or insulate the speaker cord as
appropriate and then press the
button

(P.157)

.

Hot Error

When the internal temperature of
this unit rises to 60°C or more, the
protection circuit is activated and
you may not be able to operate
the unit.

Use the unit again after reducing the
temperature of the unit.

Mecha Error

The disc player is malfunctioning.

Eject the disc and try inserting it again. Contact
the Kenwood dealer if this indicator continues
blinking or the disc cannot be ejected.

Disc Error

An unplayable disc is inserted.

Change the disc.
See

Playable Media and Files (P.158)

.

Read Error

The disc is quite dirty.

Clean the disc.
See

Precautions on handling discs (P.4)

.

Disc is upside down.

Load the disc with the labeled side up.

Region Code
Error

The disc you wanted to play has a
region code that cannot be played
with this unit.

See

Region Codes in the World (P.163)

or

try another disc.

Parental Level
Error

The disc you wanted to play has a
higher level than the parental level
you set.

Set the parental level.
See

Parental level (P.65)

.

Error 07–67

The unit is not operating correctly
due to some reason or other.

Push the unit’s Reset button. If the “Error
07−67” message does not disappear, see your
nearest Kenwood dealer.

No Device (USB
device)

The USB device is selected as a
source although no USB device is
connected.

Change the source to any source other than
USB/iPod. Connect a USB device, and change
the source to USB again.